Q: What are the prime factors of the number 30,516,408?

 A: 2, 3, 13, 32603

Why are those the prime factors of the number 30,516,408?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 30,516,408

30,516,408
Factor Arrows
215,258,204
Factor Arrows
27,629,102
Factor Arrows
23,814,551
Factor Arrows
31,271,517
Factor Arrows
3423,839
Factor Arrows
1332,603

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 13, 32603

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 13 x 32,603 = 30,516,408

This can also be written as 23 x 32 x 131 x 32,6031 = 30,516,408

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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